diff --git a/pyproject.toml b/pyproject.toml
index cd7fb6a4..85c56556 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -4,7 +4,7 @@ requires = ["hatchling"]
 
 [project]
 name = "serena-agent"
-version = "1.5.0"
+version = "1.5.1.dev0"
 description = "A powerful MCP toolkit for coding, providing semantic retrieval and editing capabilities - the IDE for your agent"
 authors = [{ name = "Oraios AI", email = "info@oraios-ai.de" }]
 readme = "README.md"
diff --git a/src/serena/__init__.py b/src/serena/__init__.py
index 251332e7..86be62bd 100644
--- a/src/serena/__init__.py
+++ b/src/serena/__init__.py
@@ -1,4 +1,4 @@
-__version__ = "1.5.0"
+__version__ = "1.5.1.dev0"
 
 import logging
 
diff --git a/uv.lock b/uv.lock
index 1def9dc9..d969098e 100644
--- a/uv.lock
+++ b/uv.lock
@@ -2856,7 +2856,7 @@ wheels = [
 
 [[package]]
 name = "serena-agent"
-version = "1.5.0"
+version = "1.5.1.dev0"
 source = { editable = "." }
 dependencies = [
     { name = "anthropic" },